Features: Material: Magnetic Tri-wing 50mm screwdriver bar. S2 high quality steel, this batch of for head using S2 high quality steel, batch for head surface for steel material color, from inside to outside are the same.Good material does not need to make the surface decoration through the exterior decoration, the quality of the batch is to look at the intrinsic material. Powerful Function: Strong magnetic,can suck the screws easily when used it. Wide Using Application: Can be used for manual electric screwdriver, screwdriver, drill, and other tools. Exquisite Workmanship:Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver for head. 2 in 1 Professional Size Package: Professional multi size package, hexagonal handle on 50mm length. Use different sizes to screw, will damage screwdriver and the screw! Using the correct screwdriver bar, pay the less effort, and can easily unscrew the screws! Specifications: Material: S2 High Quality Steel Length: 50mm/1.97" Shank Diameter: 6.35mm/0.25" Size: 50mm x Y-1 50mm x Y-2 Quantity: 2 Pcs/1 Set Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 2 x 50mm Screwdriver Bits